Home / 7,185,280.80-10,777,921.20-4,917,799.20

Finding the Fourth Proportional to 7,185,280.80, 10,777,921.20 and 4,917,799.20

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Solution

The fourth proportional to 7,185,280.80, 10,777,921.20 and 4,917,799.20 is: 7,376,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,280.80 : 10,777,921.20 = 4,917,799.20 : x
  2. Step 2: Convert to fraction form
    7,185,280.80/10,777,921.20 = 4,917,799.20/x
  3. Step 3: Cross multiply
    7,185,280.80x = 10,777,921.20 × 4,917,799.20
  4. Step 4: Simplify right side
    7,185,280.80x = 53,003,652,255,023.04
  5. Step 5: Solve for x
    x = 53,003,652,255,023.04/7,185,280.80
  6. Step 6: Final answer
    x = 7,376,698.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.